<template>
    <div class="wrapper">
        <swiper :options="swiperOption" v-if="showSwiper">
            <!-- slides -->
            <swiper-slide v-for='item of list' :key='item.id' >
                <img class="swiper-img" :src="item.imgUrl" alt="">
            </swiper-slide>
            <div class="swiper-pagination"  slot="pagination"></div>
        </swiper>
    </div>
</template>
<script>
export default {
  name: 'HomeSwiper',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        loop: true
      }
    }
  },
  computed: {
    showSwiper () {
      return this.list.length
    }
  }
}
</script>
<style lang="stylus" scoped>
    .wrapper>>> .swiper-pagination-bullet-active//>>>穿透写法
      background #fff
    .wrapper
      overflow hidden
      width 100%
      height 0
      padding-bottom 32.6%//高度相对于宽度的31.25%
      .swiper-img
        display block
        width 100%
</style>
